Author

Bohdana Chumak

Telecom Solutions Architect

13 years in the telecom vertical: VoIP softswitch, multi-tenant PBX, SIP routing, billing & LCR, WebRTC, IoT/M2M billing. Leads custom development on the DooxSwitch platform for telecom operators in Ukraine, EU and CIS. Specializes in AI communications and anti-fraud in telecom operations.

22 articles Telecom Solutions

Publications

Author articles

Telecom 15.07.2026

Modernizing SIP routing: protecting softswitches from fraud

Protecting operator voice traffic from fraud and spoofing by transitioning to component-based architecture and implementing cryptographic ca...

5 min read Read more →

Telecom 14.07.2026

MNP routing in modern networks: from legacy signaling to API-first architecture

Network evolution toward 5G and cloud architectures requires rethinking MNP routing. Discover how to transition from monolithic systems to m...

6 min read Read more →

Telecom 14.07.2026

Protecting telecom networks from signaling fraud: SS7, Diameter, and SIP security architecture

An analysis of signaling protocol vulnerabilities and methods for building architectural defenses against fraud in telecommunications networ...

7 min read Read more →

Telecom 13.07.2026

Signaling security and anti-fraud in operator networks

An overview of securing SS7 and Diameter signaling protocols. How telecom operators can counter IRSF and Wangiri fraud schemes to ensure net...

7 min read Read more →

Telecom 12.07.2026

Caller ID authentication: implementing STIR/SHAKEN and securing voice cores

An analysis of the STIR/SHAKEN architecture for preventing spoofing. We examine the steps for modernizing SIP networks and implementing cryp...

6 min read Read more →

Telecom 12.07.2026

Autonomous networks by 2027: telecom architectural shift to AI, ODA, and 5G Core

Transitioning from monolithic BSS/OSS to modular ODA and 5G service-oriented architectures is a prerequisite for enabling AI and launching a...

6 min read Read more →

Telecom 12.07.2026

Modernizing legacy telecom systems: a phased cloud-native transition

A practical guide to telecom modernization: breaking down BSS/OSS monoliths, securing legacy signaling protocols, and transitioning to ODA a...

6 min read Read more →

Telecom 12.07.2026

Contact centers and customer service in telecom

Telecom contact center architecture requires updates to address fraud risks. We explore integrating AI agents, omnichannel strategies, and V...

7 min read Read more →

Telecom 12.07.2026

Signaling security in telecom: from hybrid threats to 5G architecture

The transition to 5G does not eliminate signaling security threats. Coexistence with legacy protocols like SS7 and Diameter requires end-to-...

7 min read Read more →

Telecom 12.07.2026

Anti-fraud in telecom: integrating billing and softswitch

How to build low-latency integration of the signaling core, billing, and anti-fraud systems to block IRSF and other fraud in real time....

6 min read Read more →

Telecom 12.07.2026

MNP and routing: architectural challenges of 5G

Transitioning from monolithic BSS/OSS to API-first architectures is critical for MNP routing speed, signaling interface protection, and frau...

6 min read Read more →

Telecom 12.07.2026

Telecom billing: rating, mediation, and BSS integration

How to integrate legacy billing systems with 5G cloud cores, minimize fraud losses, and transition to modular architecture based on TM Forum...

7 min read Read more →